/* Reference tables */

.refButton {
    text-align: center;
    background-color: lightgrey;
    border: solid;
    border-color: lightgrey;
    padding='5px';
}
.refButtonSelected {
    text-align: center;
    background-color: darkgrey;
    border: solid;
    border-color-top: darkgrey;
    border-color-left: darkgrey;
    border-color-bottom: lightgrey;
    border-color-right: green;
    padding='5px';
}